body {
    padding-bottom: 40%;
    position: relative;
    background-color: #f5f5f5;
  }
.header{
  position: relative;
  width: 100%;
}
.xy{
  height: 220px;
}

.dl{
  width: 70px;
  height: 70px;
  bottom: 90px;
  left: 45px;
}
.a{
  bottom: 115px;
  left: 125px;
  color: #fff;
}
.dida{
  width: 100%;
  height: 80px;
  background-color: #fff;
}
.dida>div>i{
  font-size: 25px;
}
.dd>i{
  color: #ffc82f;
}
.sc>i{
  color: #c6da5c;
}
.zb{
  width: 100%;
  height: 100%;
  background-color:#fff;
}
.pcb{
  height: 50px;
  width: 98%;
  background-color: #fff;
  margin-left: 2%;
  border-bottom: 1px solid #f5f5f5;
  justify-content: space-between;
}
.f16,.pr-15{
  color: #797d82
}




.nav{
  width: 100%;
  height: 55px;
  background-color: #fff;
  justify-content: space-around;
  align-items: center;
  position: fixed;
  bottom: 0;
  z-index: 2;
}
.nav>a>i{
  text-align: center;
  font-size: 23px;
}
.nav>div>i{
  text-align: center;
  font-size: 23px;
}
.nav>div>p{
font-size: 10px;
}
.nav>a>p{
  font-size: 10px;
  }
.four{
  color: #ff9b6e;
}